c.jalr
Jump and Link Register.
This instruction is defined by:
Synopsis
C.JALR (jump and link register) performs the same operation as C.JR, but additionally writes the address of the instruction following the jump (pc+2) to the link register, x1. C.JALR expands to jalr x1, 0(rs1).
Execution
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Pruned, XLEN == 64
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Original
XReg returnaddr;
returnaddr = $pc + 2;
jump(X[rs1]);
X[1] = returnaddr;if (implemented?(ExtensionName::C) && (CSR[misa].C == 1'b0)) {
raise(ExceptionCode::IllegalInstruction, mode(), $encoding);
}
XReg returnaddr;
returnaddr = $pc + 2;
jump(X[rs1]);
X[1] = returnaddr;